University of Pennsylvania Athletics

2020: All 2020 Ivy League fall sports were canceled on July 8 due to a nationwide outbreak of coronavirus COVID-19.

2019: Appeared in all 10 games … Finished with four tackles … Had two tackles at Columbia (10/19) … Had one tackle at Yale (10/26) … Recorded one tackle against Cornell (11/09).
 
2018: Appeared in eight games at cornerback and on special teams … Had one tackle against Columbia (10/13).

2017: Appeared in two games, seeing action against Yale (10/21) and Cornell (11/18).

High School: Four-year letterwinner … Served as team captain senior season … 2016 first-team All-Orange County … 2015 and 2016 Trinity League Most Valuable Specialist as a returner … 2014 second-team All-Trinity League … Also lettered four times in track and field … President of the FLA Club … Caritas Christi member.
 
Personal: Son of Jenni and Jim O’Brien … Older brother, Conor, plays defensive back at Penn … Cousin, Colt Brennan, plays for the Washington Redskins … Cousin, Kevin Hogan, played quarterback at Stanford … Uncle, Mike Butcher, played baseball for the California Angels and is now pitching coach for the Arizona Diamondbacks … High school teammate of Penn defensive back Sam Philippi and quarterback Nick Robinson … Enrolled in the College of Arts and Sciences.